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ASCIDIE [4 records]

Record 1 2016-09-21

English

Subject field(s)
  • Zoology
  • Mollusks, Echinoderms and Prochordates
  • Environment
Universal entry(ies)
CONT

In February of this year, a survey was mailed to all aquaculture lease holders in Nova Scotia. The survey was designated to provide a simple assessment of the distribution of the fouling tunicate, Ciona intestinalis, along the Nova Scotia coast.

CONT

A common solitary sea squirt of both coasts of North America is the slender, yellow, transparent Ciona intestinalis, about 2 in, (5 cm) tall.

French

Domaine(s)
  • Zoologie
  • Mollusques, échinodermes et procordés
  • Environnement
Entrée(s) universelle(s)
OBS

L'ascidie jaune vit fixée sur les pierres, algues, coquilles etc... depuis le niveau des basses mers jusqu'à la profondeur de 500 m. Elle supporte bien la pollution.

Spanish

Save record 1

Record 2 2016-05-19

English

Subject field(s)
  • Zoology
  • Mollusks, Echinoderms and Prochordates
  • Environment
Universal entry(ies)
CONT

Scientists are investigating tunicate a non-native marine species that is threatening the Island shellfish industry. Like green crab the clubbed tunicate has made its way up the East Coast of North America and is now found in the Brudenell, Montague and Murray rivers, where it is invading mussel spat beds.

Key term(s)
  • leathery sea-squirt

French

Domaine(s)
  • Zoologie
  • Mollusques, échinodermes et procordés
  • Environnement
Entrée(s) universelle(s)
CONT

Identification : ascidie solitaire d'environ 12 cm de haut caractérisée par la présence d'un pédoncule étroit qui occupe près du tiers de la hauteur totale. Les deux siphons qui sont situés au sommet présentent des marques radiaires (parfois difficiles à voir) de couleur pourpre. La tunique très coriace présente une surface de couleur brunâtre irrégulièrement plissée et mamelonnée. Elle est souvent couverte d'organismes divers (algues, bryozoaires etc.).

Spanish

Save record 2

Record 3 2010-06-22

English

Subject field(s)
  • Crustaceans
CONT

Orange or white compound ascidians, which are found on the shell of many decorator crabs, are fleshy organisms that frow in matted colonies on hard surfaces.

French

Domaine(s)
  • Crustacés
CONT

Les Ascidies composées, orange ou blanches, qui ornent la carapace de nombreux Crabes déguisés sont des organismes charnus qui se développent en colonies autonomes sur des surfaces solides.

Spanish

Save record 3

Record 4 2004-01-20

English

Subject field(s)
  • Sponges, Hydrozoans and Jellyfish
  • Zoology
CONT

The sea squirts or ascidians (class Ascidiacea) are sessile, although only in the adult phase... They are represented by approximately 2000 species.

OBS

Sea squirt and sessile tunicate are both common name of the class Ascidiacea.

OBS

"Sea squirt" not to be confused with the scientific name of Halocythia roretzi, a species of ascidians.

French

Domaine(s)
  • Éponges, hydres et méduses
  • Zoologie
DEF

Animal marin (Protochordés, Tuniciers) en forme d'outre qui se fixe habituellement par des prolongements aux objets environnants.

CONT

Les ascidies adultes sont des animaux marins gélatineux et sédentaires, solitaires ou coloniaux. [...] Si on «les» pince délicatement, «leurs» sachets gélatineux se contractent rapidement et un fin jet d'eau jaillit d'un des trous, ou des deux. C'est ce qui a valu à ces animaux le nom anglais vulgaire de sea squirts, c'est-à-dire seringues de mer.

Spanish

Save record 4

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